CA2756911C - Electrode holder assembly and furnace comprising same - Google Patents

Electrode holder assembly and furnace comprising same Download PDF

Info

Publication number
CA2756911C
CA2756911C CA2756911A CA2756911A CA2756911C CA 2756911 C CA2756911 C CA 2756911C CA 2756911 A CA2756911 A CA 2756911A CA 2756911 A CA2756911 A CA 2756911A CA 2756911 C CA2756911 C CA 2756911C
Authority
CA
Canada
Prior art keywords
electrical
electrode
shoes
dual stroke
furnace
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CA2756911A
Other languages
English (en)
French (fr)
Other versions
CA2756911A1 (en
Inventor
Gerald Carkin
Jarle-Erland Herstad
Joseph Lepish
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Alcoa USA Corp
Original Assignee
Alcoa USA Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Alcoa USA Corp filed Critical Alcoa USA Corp
Publication of CA2756911A1 publication Critical patent/CA2756911A1/en
Application granted granted Critical
Publication of CA2756911C publication Critical patent/CA2756911C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D11/00—Arrangement of elements for electric heating in or on furnaces
    • F27D11/08—Heating by electric discharge, e.g. arc discharge
    • F27D11/10—Disposition of electrodes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B3/00—Hearth-type furnaces, e.g. of reverberatory type; Tank furnaces
    • F27B3/08—Hearth-type furnaces, e.g. of reverberatory type; Tank furnaces heated electrically, with or without any other source of heat
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B3/00—Hearth-type furnaces, e.g. of reverberatory type; Tank furnaces
    • F27B3/08—Hearth-type furnaces, e.g. of reverberatory type; Tank furnaces heated electrically, with or without any other source of heat
    • F27B3/085—Arc furnaces
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B3/00—Hearth-type furnaces, e.g. of reverberatory type; Tank furnaces
    • F27B3/10—Details, accessories, or equipment peculiar to hearth-type furnaces
    • F27B3/20—Arrangements of heating devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D99/00—Subject matter not provided for in other groups of this subclass
    • F27D99/0001—Heating elements or systems
    • F27D99/0006—Electric heating elements or system
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B7/00—Heating by electric discharge
    • H05B7/02—Details
    • H05B7/10—Mountings, supports, terminals or arrangements for feeding or guiding electrodes
    • H05B7/101—Mountings, supports or terminals at head of electrode, i.e. at the end remote from the arc

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
  • Furnace Details (AREA)
  • Discharge Heating (AREA)
CA2756911A 2009-03-31 2009-03-31 Electrode holder assembly and furnace comprising same Expired - Fee Related CA2756911C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US2009/038967 WO2010114525A1 (en) 2009-03-31 2009-03-31 Electrode holder assembly and furnace comprising same

Publications (2)

Publication Number Publication Date
CA2756911A1 CA2756911A1 (en) 2010-10-07
CA2756911C true CA2756911C (en) 2017-08-29

Family

ID=41346062

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2756911A Expired - Fee Related CA2756911C (en) 2009-03-31 2009-03-31 Electrode holder assembly and furnace comprising same

Country Status (6)

Country Link
US (1) US8406268B2 (zh)
EP (1) EP2414762B1 (zh)
CN (1) CN102439388B (zh)
CA (1) CA2756911C (zh)
RU (1) RU2488056C2 (zh)
WO (1) WO2010114525A1 (zh)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2334832B1 (en) 2008-09-16 2017-11-08 Alcoa Inc. Sidewall and bottom electrode arrangement for electrical smelting reactors and method for feeding such electrodes
DE102011054752B4 (de) 2011-10-24 2014-09-04 Stego-Holding Gmbh Kühl- und Haltekörper für Heizelemente, Heizgerät und Verfahren zur Herstellung eines Kühl- und Haltekörpers
DE102011054750B4 (de) * 2011-10-24 2014-08-21 Stego-Holding Gmbh Kühl- und Haltekörper für Heizelemente, Heizgerät und Verfahren zur Herstellung eines Kühl- und Haltekörpers
FI125074B (fi) * 2013-07-05 2015-05-29 Outotec Finland Oy Kiristyssylinteri elektrodinohjauslaitetta varten
CN105783530B (zh) * 2016-04-26 2017-11-03 西安聚能装备技术有限公司 一种用于真空自耗电弧炉辅助电极的夹紧及导电装置
CA3052687C (en) * 2017-02-27 2023-09-05 Outotec (Finland) Oy Electrode slipping device
RU184482U1 (ru) * 2018-01-30 2018-10-29 Общество с ограниченной ответственностью "Объединенная Компания РУСАЛ Инженерно-технологический центр" Руднотермическая электрическая печь

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2778865A (en) * 1956-01-09 1957-01-22 Elektrokemisk As Suspension mechanism for continuous type electrodes and method of operation
US2845468A (en) * 1956-04-11 1958-07-29 Elektrokemisk As Electrode holders for electric smelting furnaces and method of operating the same
US2911455A (en) * 1956-04-13 1959-11-03 Sunrod Mfg Corp Electrode clamp
US2884475A (en) * 1957-07-12 1959-04-28 Elektrokemisk As Clamp members for supporting electrodes
US3189673A (en) * 1962-09-19 1965-06-15 Union Carbide Corp Electrode holder
US3898364A (en) 1974-09-05 1975-08-05 Stanford A Hardin Combined suspension device for holding, contacting, slipping and torquing electric furnace electrodes
US4154974A (en) * 1977-09-16 1979-05-15 Lectromelt Corporation Clamp for arc furnace electrode
ZA832152B (en) * 1982-04-23 1983-12-28 Arc Tech Syst Ltd Arrangement of an electrode for arc furnaces
US4646317A (en) * 1982-12-03 1987-02-24 Elkem A/S Electrode holder system for electrothermic smelting furnaces
IS621B6 (is) * 1985-09-22 1967-03-11 Fiskeridirektoratets Kjemisk-Tekniske Forskningsinstitutt Aðferð til þess að frysta matvæli svo og tæki tilþess að framkvæma aðferðina.
CN1218900A (zh) * 1997-11-28 1999-06-09 北京兰斯节能技术开发中心 一种直流钢包精炼炉
CN200968779Y (zh) * 2006-11-01 2007-10-31 中国恩菲工程技术有限公司 不停电石墨电极压放装置

Also Published As

Publication number Publication date
CN102439388B (zh) 2013-11-06
US20120140788A1 (en) 2012-06-07
EP2414762B1 (en) 2016-01-13
RU2011143866A (ru) 2013-05-10
EP2414762A1 (en) 2012-02-08
RU2488056C2 (ru) 2013-07-20
CA2756911A1 (en) 2010-10-07
WO2010114525A1 (en) 2010-10-07
CN102439388A (zh) 2012-05-02
US8406268B2 (en) 2013-03-26

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EEER Examination request

Effective date: 20140327

MKLA Lapsed

Effective date: 20220331